View Single Post
      06-15-2012, 01:22 PM   #3439
dcstep
Major General
United_States
1288
Rep
7,389
Posts

Drives: '09 Cpe Silverstone FR 6MT
Join Date: Nov 2008
Location: Colorado

iTrader: (0)

Garage List
2009 M3  [8.40]
Quote:
Originally Posted by The1 View Post
your ETs don't have lenses in them do they? I haven't experienced a loss of light.
I'm pretty sure you do. The f-stop won't change, but try a manual setting with and without the ET and notice the EV reading. I think you'll see the EV drop. It's not the optics, but the distance of the rear element from the sensor.
__________________
Appreciate 0